Comments on: SQL Puzzle: SQL Advance Query – Create comma separated aggregation for Common schedules https://www.dbrnd.com/2017/08/sql-puzzle-sql-advance-query-create-comma-separated-aggregation-for-common-schedules/ BIGData | NoSQL | MSSQL | MySQL | PostgreSQL Wed, 27 Sep 2017 04:25:42 +0000 hourly 1 https://wordpress.org/?v=7.0.4 By: Yogesh Shinde https://www.dbrnd.com/2017/08/sql-puzzle-sql-advance-query-create-comma-separated-aggregation-for-common-schedules/#comment-5865 Wed, 27 Sep 2017 04:25:42 +0000 https://www.dbrnd.com/?p=5958#comment-5865 You can do with COALESCE or XML.

]]> By: iwdw https://www.dbrnd.com/2017/08/sql-puzzle-sql-advance-query-create-comma-separated-aggregation-for-common-schedules/#comment-5814 Sat, 26 Aug 2017 05:30:34 +0000 https://www.dbrnd.com/?p=5958#comment-5814 Is it really necessary to use a subquery for something that simple….?

select id,
start_date,
end_date,
string_agg(week::text,’,’) as week
from schedules
group by id, start_date, end_date
order by id desc;

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